import logging
from redis import StrictRedis


class Config(object):
    """项目的配置"""
    DEBUG = True

    # 配置加密
    SECRET_KEY = 'kEp56B3axnh5azOxUNuY0j8kxWbZFmRXnQ8VfYfhN+1aW/xSLTB9bxCoDiwGQ0Cu'

    # 加载数据库配置
    SQLALCHEMY_DATABASE_URI = 'mysql://root:666666@127.0.0.1:3306/information66'
    # 追踪数据库的动态变化
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    # 在请求结束的时候,如果指定此配置为True,那么SQALchemy会主动执行一次db.session.commit()
    SQLALCHEMY_COMMIT_ON_TEARDOWN = True

    # redis的配置
    redis_host = '127.0.0.1'
    redis_port = '6379'

    # session保存配置
    SESSION_TYPE = 'redis'
    # 开启session签名
    SESSION_USE_SIGNER = True
    # 指定session保存的redis
    SESSION_REDIS = StrictRedis(host=redis_host, port=redis_port)
    # 设置需要过期
    SESSION_PERMANENT = False
    # 设置过期时间
    PERMANENT_SESSION_LIFETIME = 86400 * 2
    # 设置日志等级
    LOG_LEVEL = logging.DEBUG


class DevelopmentConfig(Config):
    """开发环境下的配置"""
    DEBUG = True


class ProductionConfig(Config):
    """生产环境下的配置"""
    DEBUG = False
    LOG_LEVEL = logging.WARNING


class TestingConfig(Config):
    """单元测试环境下的配置"""
    DEBUG = True
    TESTING = True

config = {
    'development': DevelopmentConfig,
    'production': ProductionConfig,
    'testing': TestingConfig
}